High Z-Bracket Silver Used For Secures Equipment With Adjustable Legs That Have 2 in Clearance From Floor. Equipment That Is Backed Up To A Wall Needs Two Z-Brackets On Front Legs. Equipment That Has No Wall Behind It Needs Four Z-Brackets. Includes (1) Z-Bracket With 2 in High Rise (2) 3/8 in Drop Anchors (2) 3/8 in Anchor Bolts (2) 3/8 in Washers Instructions